CN103939045B - Rifler drops and bores the fishing device of tooth - Google Patents

Rifler drops and bores the fishing device of tooth Download PDF

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Publication number
CN103939045B
CN103939045B CN201410131781.8A CN201410131781A CN103939045B CN 103939045 B CN103939045 B CN 103939045B CN 201410131781 A CN201410131781 A CN 201410131781A CN 103939045 B CN103939045 B CN 103939045B
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China
Prior art keywords
fishing socket
fishing
radial slot
plate
socket
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CN201410131781.8A
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Chinese (zh)
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CN103939045A (en
Inventor
刘忠友
耿永卫
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CCCC Second Harbor Engineering Co
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No3 Engineering Co Ltd Of Cccc Second Harbor Engineering Co
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Priority to CN201410131781.8A priority Critical patent/CN103939045B/en
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Abstract

The invention discloses a kind of rifler drop bore tooth fishing device, including fishing socket and permanent magnet, the upper and lower side of fishing socket is equipped with shrouding, drilling rod lower end is fixed on the upper-end closing plate centre of fishing socket, fishing socket barrel is provided with the lateral openings of up/down perforation, lower end-plate is provided with the radial slot of one end open, and lateral openings is through with radial slot.The center of circle of end-plate under fishing socket is contained in radial slot the inner, and the lower end-plate edge of fishing socket is led in radial slot outer end.Permanent magnet has a bar shape, and is fixed on upper inside the lower end-plate of fishing socket and is positioned at outside radial slot side.Present configuration is simple, easy to use, it is possible to by foot of hole drop brill tooth and scum is removed clean, it is to avoid continue to damage steel alloy rifler or other alloy tool steel bit, improve the efficiency of construction of bored socket pile.

Description

Rifler drops and bores the fishing device of tooth
Technical field
The present invention relates to the constructing device of a kind of bored socket pile, especially a kind of for salvaging boring time rifler drop the device of lower brill tooth, belong to piling Technology field.
Background technology
Bored socket pile, owing to structure is reliable, bearing capacity strong, is used widely in foundation engineering.Owing to rock is harder, steel alloy rifler or other alloy tool steel bit of axially and radially uniform multiple brill tooth is all adopted during general boring, the brill tooth of steel alloy rifler is all welded on drill bit dish, due to abrasion, collision in work progress, can cause that boring tooth drops, and has had a strong impact on being smoothed out of boring, if the brill tooth that not will fall off takes out, not only affect boring progress, cause drill bit heavy wear, even cannot continue construction.The hollow pile foundation of embedding rock drilled pile casing or top can not be squeezed in hard basement rock simultaneously, and the layer of sand on scar top is often connected with in hole, bores after in tooth falling hole, and existing method is difficult to salvage brill tooth, bigger for oblique embedded rock pile then difficulty.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, the brill tooth fishing device that drops of the rifler boring tooth bottom boring hole that drops can be salvaged easily
The present invention is achieved by the following technical programs:
A kind of rifler drops and bores the fishing device of tooth, including fishing socket and permanent magnet, the upper and lower side of described fishing socket is equipped with shrouding, drilling rod lower end is fixed on the upper-end closing plate centre of fishing socket, fishing socket barrel is provided with the lateral openings of up/down perforation, lower end-plate is provided with the radial slot of one end open, and described lateral openings is through with radial slot;The center of circle of end-plate under fishing socket is contained in described radial slot the inner, and the lower end-plate edge of fishing socket is led in radial slot outer end;Described permanent magnet has a bar shape, and permanent magnet two ends are fixed on upper inside the lower end-plate of fishing socket respectively through spacer ferrule and securing member and are positioned at outside radial slot side.
The purpose of the present invention can also be realized further by techniques below measure.
Aforesaid rifler drops and bores the fishing device of tooth, and the width of wherein said lateral openings or radial slot is more than the width boring tooth.
Aforesaid rifler drops and bores the fishing device of tooth, wherein in the upright projection of fishing socket, there is radial distance difference B between the dual-side of lateral openings.
Aforesaid rifler drops and bores the fishing device of tooth, and wherein said lower end-plate plate between permanent magnet and radial slot faces down and is inclined to the inclined-plane of sharp angle α, and the angle of described sharp angle α is 17 °~23 °;Fishing socket diameter is less than bore diameter 90~110mm, and fishing socket height is 300~400mm.
Aforesaid rifler drops and bores the fishing device of tooth, and described fishing socket diameter is less than bore diameter 90~110mm, and fishing socket height is 300~400mm;The direction of rotation of described fishing socket is the direction that permanent magnet is radially directed groove.
Present configuration is simple, easy to use, when drilling rod drives the fishing socket under it to put in rotation bottom boring hole, drop in the inclined-plane entrance fishing socket boring tooth and the scum lateral openings from fishing socket barrel or lower end-plate, the strong magnetic field being fixed on the generation of the permanent magnet on inside lower end-plate adsorbs brill tooth and scum, the permanent magnet magnetic line of horizontal positioned is substantially enclosed in fishing socket, will not form chain adsorption phenomena because of external action.Use the present invention can by foot of hole drop brill tooth and scum is removed clean, it is to avoid continue to damage steel alloy rifler or other alloy tool steel bit, improve the efficiency of construction of bored socket pile.
Advantages of the present invention and feature, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, these embodiments, it is only used as example with reference to accompanying drawing and provides.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2, the present invention includes fishing socket 1 and permanent magnet 2, the upper and lower side of fishing socket 1 is equipped with shrouding, drilling rod 3 lower end is welded on upper-end closing plate 11 centre of fishing socket 1, and by be distributed on its surrounding the weldering of 4 pieces of gussets 31 even drilling rod 3 and upper-end closing plates 11, improve the bonding strength of drilling rod 3 and fishing socket 1.Fishing socket barrel 13 is provided with the lateral openings 131 of up/down perforation, and lower end-plate 12 is provided with the radial slot 121 of one end open, and lateral openings 131 is through with radial slot 121.The center of circle of the inner lower end-plate 12 containing fishing socket 1 of radial slot 121, the edge of the lower end-plate 12 of fishing socket 1 is led in radial slot outer end 121.Fishing socket 1 diameter is less than bore diameter 90~110mm, it is simple to fishing socket 1 enters in boring hole, and fishing socket 1 is highly 300~400mm.
As in figure 2 it is shown, the width C of radial slot 121 is more than the width boring tooth;In the upright projection of fishing socket, there is radial distance difference B between the dual-side of lateral openings 131, such structure brill tooth that is more beneficial for dropping enters in fishing socket 1 from lateral openings 131 or radial slot 121.
Permanent magnet 2 has a bar shape, its two ends position respectively through the spacer ferrule 4 being welded on lower end-plate 12, it is connected fixing with spacer ferrule 4 for permanent magnet 2 again through trip bolt 5 and nut 6, so that being fixed on inside the lower end-plate 12 of fishing socket 1 at permanent magnet 2, permanent magnet 2 is set in parallel in outside radial slot 121 side.
The plate of the lower end-plate 12 between permanent magnet 2 and radial slot 121 faces down and is inclined to the inclined-plane 122 of sharp angle α, and the angle of sharp angle α is 17 °~23 °, and the sharp angle α angle of the fishing socket 1 of the present embodiment is 20 °.The direction of rotation of fishing socket 1 is the direction that permanent magnet 2 is radially directed groove 121, and namely fishing socket 1 direction of rotation of the present embodiment is clockwise.When fishing socket 1 rotates, inclined-plane 122 plays the effect of spatula so that drop brill tooth and scum enters in fishing socket 1 along inclined-plane 122, and be adsorbed on permanent magnet 2, reach to salvage the purpose boring tooth and scum.
In addition to the implementation, the present invention can also have other embodiments, all employings to be equal to replacement or the technical scheme of equivalent transformation formation, all falls within the protection domain of application claims.

Claims (3)

1. a rifler drops and bores the fishing device of tooth, it is characterized in that: include fishing socket and permanent magnet, the upper and lower side of described fishing socket is equipped with shrouding, drilling rod lower end is fixed on the upper-end closing plate centre of fishing socket, fishing socket barrel is provided with the lateral openings of up/down perforation, and lower end-plate is provided with the radial slot of one end open, and described lateral openings is through with radial slot, the center of circle of end-plate under fishing socket is contained in described radial slot the inner, and the lower end-plate edge of fishing socket is led in radial slot outer end;Described permanent magnet has a bar shape, and permanent magnet two ends are fixed on upper inside the lower end-plate of fishing socket respectively through spacer ferrule and securing member and are positioned at outside radial slot side;The width of described lateral openings or radial slot is more than the width boring tooth;In the upright projection of fishing socket, between the dual-side of lateral openings, there is radial distance difference B;Lower end-plate plate between permanent magnet and radial slot faces down and is inclined to the inclined-plane of sharp angle α, and the angle of described sharp angle α is 17 °~23 °.
2. rifler as claimed in claim 1 drops and bores the fishing device of tooth, it is characterised in that: fishing socket diameter is less than bore diameter 90~110mm, and fishing socket height is 300~400mm.
3. rifler as claimed in claim 1 drops and bores the fishing device of tooth, it is characterised in that: the direction of rotation of described fishing socket is the direction that permanent magnet is radially directed groove.
CN201410131781.8A 2014-04-03 2014-04-03 Rifler drops and bores the fishing device of tooth Active CN103939045B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410131781.8A CN103939045B (en) 2014-04-03 2014-04-03 Rifler drops and bores the fishing device of tooth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410131781.8A CN103939045B (en) 2014-04-03 2014-04-03 Rifler drops and bores the fishing device of tooth

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CN103939045A CN103939045A (en) 2014-07-23
CN103939045B true CN103939045B (en) 2016-07-06

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649566B (en) * 2016-04-05 2018-10-23 史占丰 cone fisher
CN107178310A (en) * 2017-06-05 2017-09-19 柳州市怀才商贸有限公司 A kind of magnetic tracks rig

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1165765A1 (en) * 1984-02-15 1985-07-07 Башкирский государственный научно-исследовательский и проектный институт нефтяной промышленности Down-hole magnetic finishing tool
SU1278441A1 (en) * 1985-02-01 1986-12-23 Ивано-Франковский Институт Нефти И Газа Magnetic milling cutter
CN86209127U (en) * 1986-11-11 1988-10-05 电子工业部第九研究所 Magnetic salvaging apparatus
US5682950A (en) * 1994-11-25 1997-11-04 Den Norske Stats Oljeselskap A.S. Means for collecting unwanted material in an oil or gas well
CN2653118Y (en) * 2003-09-18 2004-11-03 杜晓瑞 Pontoon multi-wheel fisher
CN201460785U (en) * 2009-08-19 2010-05-12 天津立林钻头有限公司 Bottom-hole fallen object fisher
CN101852068A (en) * 2010-05-26 2010-10-06 彭桂湘 Magnetic valve fisher

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8689889B2 (en) * 2011-04-14 2014-04-08 Lee Oilfield Service Ltd. Downhole magnet tool and method of assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1165765A1 (en) * 1984-02-15 1985-07-07 Башкирский государственный научно-исследовательский и проектный институт нефтяной промышленности Down-hole magnetic finishing tool
SU1278441A1 (en) * 1985-02-01 1986-12-23 Ивано-Франковский Институт Нефти И Газа Magnetic milling cutter
CN86209127U (en) * 1986-11-11 1988-10-05 电子工业部第九研究所 Magnetic salvaging apparatus
US5682950A (en) * 1994-11-25 1997-11-04 Den Norske Stats Oljeselskap A.S. Means for collecting unwanted material in an oil or gas well
CN2653118Y (en) * 2003-09-18 2004-11-03 杜晓瑞 Pontoon multi-wheel fisher
CN201460785U (en) * 2009-08-19 2010-05-12 天津立林钻头有限公司 Bottom-hole fallen object fisher
CN101852068A (en) * 2010-05-26 2010-10-06 彭桂湘 Magnetic valve fisher

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Effective date of registration: 20240307

Address after: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province

Patentee after: CCCC SECOND HARBOR ENGINEERING Co.,Ltd.

Country or region after: China

Address before: 212003 No. 90 Canal Road, Jiangsu, Zhenjiang

Patentee before: CHINA COMMUNICATIONS 2ND NAVIGATIONAL BUREAU 3RD ENGINEERING Co.,Ltd.

Country or region before: China